S17700 Stainless Steel vs. Grade 704C Zirconium
S17700 stainless steel belongs to the iron alloys classification, while grade 704C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is S17700 stainless steel and the bottom bar is grade 704C zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 430 | |
| 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 97 |
| Elongation at Break, % | 1.0 to 23 | |
| 11 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 76 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 to 1650 | |
| 470 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1210 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 270 |
| Thermal Conductivity, W/m-K | 15 | |
| 21 |
| Thermal Expansion, µm/m-K | 11 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 6.7 |
| Embodied Water, L/kg | 150 | |
| 460 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 210 | |
| 48 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3750 | |
| 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 42 to 59 | |
| 20 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 20 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 12 |
| Thermal Shock Resistance, points | 39 to 54 | |
| 58 |
Alloy Composition
| Aluminum (Al), % | 0.75 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.090 | |
| 0 to 0.1 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 70.5 to 76.8 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.0 to 2.0 |
| Zirconium (Zr), % | 0 | |
| 92.9 to 99 |